Associations/Indications. 1  marker of vascular endothelial dysfunction. 2  an important prognostic marker for kidney disease in diabetes mellitus. in hypertension.
The usual age is 18 years of age. But people with very smart IQ graduate earlier like Martin LKJ graduated at 15,and so did many others.ometimes kids skip grades. I guess it's rare for people any older then that too...not many people do so bad they have to get held back many times. Most people graduate at 18 though...most people have their 18th birthday during the school year.
In America, and sometimes in the UK, a high school is a school for older students up to the age of 18. In Britain, the general term for a school of this kind is secondary school. A secondary school that includes grades from 9 to 12 or 10 to 12.